Fasteners, Deployment Systems, and Methods for Ophthalmic Tissue Closure and Fixation of Ophthalmic Prostheses and Other Uses

摘要

Methods and devices for ophthalmic tissue closure and fixation of ophthalmic prostheses are provided. In accordance with some embodiments, devices for both grasping and clipping a plurality of ocular tissue and ocular prostheses are provided. Various device embodiments are provided for both malleable clips and delivery of normally closed clips (i.e. shape memory). The device may accommodate a plurality of clips which include, but are not limited to: malleable metals, absorbable, shape memory, drug-eluting, and adhesive dispensing. The clips may be pigmented to match the colors of associated tissue (cornea, iris, conjunctiva, sclera, retina) to serve to camouflage fixation clips for healing duration or permanently. According to one aspect, shallow angle access to anatomy may be provided by specialized angulation of device shaft and closure jaws that are intended to access the eye through a small self-healing cornea incision and/or any ocular tissue.

主权项

1. An ophthalmic tissue fixation device for fixation of a first tissue edge with a second tissue edge of a wound, the ophthalmic tissue fixation device comprising:
a handle configured to be held by an operator; an anvil coupled with a distal end of the handle and configured to restrain a tissue fastener having a first leg, a second leg, and a base supporting the first and second legs; and a driver coupled with the handle and configured to be driven to deploy the tissue fastener restrained by the anvil; wherein the anvil and the driver cooperate to deploy the tissue fastener during actuation of the driver; wherein the first leg of the tissue fastener is advanceable through a tissue surface and within the tissue underlying the tissue surface at a first penetration site on a first side of the wound; wherein the second leg of the tissue fastener is advanceable through the tissue surface and within the tissue underlying the tissue surface at a second penetration site on a second side of the wound and spaced apart from the first penetration site by a distance; wherein the base is reconfigurable during the advancement of the first leg and the second leg such that the distance between the first penetration site and the second penetration site is retained after tissue fastener deployment by the cooperation between the driver and anvil and such that a proximity between the first tissue edge and the second tissue edge is also retained after tissue fastener deployment by the cooperation between the driver and anvil.